Generic Function

Package: common-graphics

Arguments: object

Returns true if object is an instance of the class header-info; returns nil otherwise.

See the description of the header-control class/control and the header-info class.

Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.

The documentation is described in introduction.htm and the index is in index.htm.

Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.

Created 2000.10.5.